Tupac is correct, never accede speed has nothing to do with TAS, it's IAS. The reason why your parts are falling off at high speed is because the air creates a lot of pressure on the airfoil. The higher up you go the thinner the air gets. TAS is the actual speed your moving though air, the thinner the air gets the faster you can move though it as there is less resistance. IAS is measured by the pitot tube, the thinner the air the lower your IAS (given the same TAS) will be because there is less air molecules putting pressure on the pitot tube, the same goes to the rest of the airplane.
Pitot tube directly measures ram air pressure, then it subtracts the static air pressure from the ram air pressure and gives you the dynamic pressure. Dynamic pressure is your Indicated Air Speed. TAS can not be measure, only derived. In order to find the TAS you need to convert IAS into CAS (calibrated airspeed), CAS is IAS removed of all errors, the aircraft manufacturer usually gives you the IAS to CAS conversion chart. Then you can derive your TAS by knowing your pressure altitude, OAT (outside air temperature), and CAS.
Makes seance now?
